and \(B=SC\) .
Note that (REF ) indicates
\(A^2S= S {A}^2\) .
Next, for convenience we introduce a notation (cf.[1]}, [2]})
\(\widehat{\phi ^{[N]}_{}}(ax,bt)_{[cx]}=\left(\phi (ax,bt), \partial _{cx}\phi (ax,bt),\partial _{cx}^{2}\phi (ax,bt),\cdots , \partial _{cx}^{N}\phi (ax,bt)\right).\) 
